CVE-2020-27208

{"id": "CVE-2020-27208", "metrics": {"cvssMetricV2": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"version": "2.0", "baseScore": 4.6, "accessVector": "LOCAL", "vectorString": "AV:L/AC:L/Au:N/C:P/I:P/A:P", "authentication": "NONE", "integrityImpact": "PARTIAL", "accessComplexity": "LOW", "availabilityImpact": "PARTIAL", "confidentialityImpact": "PARTIAL"}, "acInsufInfo": false, "impactScore": 6.4, "baseSeverity": "MEDIUM", "obtainAllPrivilege": false, "exploitabilityScore": 3.9, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}], "cvssMetricV31": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 6.8, "attackVector": "PHYSICAL", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}, "impactScore": 5.9, "exploitabilityScore": 0.9}]}, "published": "2021-05-21T12:15:07.663", "references": [{"url": "https://eprint.iacr.org/2021/640", "tags": ["Third Party Advisory"], "source": "cve@mitre.org"}, {"url": "https://github.com/solokeys/solo/commit/a9c02cd354f34b48195a342c7f524abdef5cbcec", "tags": ["Patch", "Third Party Advisory"], "source": "cve@mitre.org"}, {"url": "https://solokeys.com", "tags": ["Product"], "source": "cve@mitre.org"}, {"url": "https://twitter.com/SoloKeysSec", "tags": ["Product"], "source": "cve@mitre.org"}, {"url": "https://www.aisec.fraunhofer.de/de/das-institut/wissenschaftliche-exzellenz/security-and-trust-in-open-source-security-tokens.html", "tags": ["Third Party Advisory"], "source": "cve@mitre.org"}, {"url": "https://www.aisec.fraunhofer.de/en/FirmwareProtection.html", "tags": ["Exploit", "Third Party Advisory"], "source": "cve@mitre.org"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-326"}]}], "descriptions": [{"lang": "en", "value": "The flash read-out protection (RDP) level is not enforced during the device initialization phase of the SoloKeys Solo 4.0.0 & Somu and the Nitrokey FIDO2 token. This allows an adversary to downgrade the RDP level and access secrets such as private ECC keys from SRAM via the debug interface."}, {"lang": "es", "value": "El nivel de protecci\u00f3n de lectura flash (RDP) no se aplica durante la fase de inicializaci\u00f3n del dispositivo del SoloKeys Solo 4.0.0 & Somu y el token de Nitrokey FIDO2. Esto permite a un adversario degradar el nivel de RDP y acceder a secretos como claves ECC privadas de SRAM por medio de la interfaz de depuraci\u00f3n"}], "lastModified": "2021-05-28T15:41:32.837", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:solokeys:solo_firmware:4.0.0:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "9F4A1941-6161-4C38-945C-298984D12855"}], "operator": "OR"}, {"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:h:solokeys:solo:-:*:*:*:*:*:*:*", "vulnerable": false, "matchCriteriaId": "34CA8B4C-315B-44DC-9167-D124735508E6"}], "operator": "OR"}], "operator": "AND"}, {"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:solokeys:somu_firmware:-:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "AE13529D-B23F-43C3-A82A-BD82C671DB56"}], "operator": "OR"}, {"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:h:solokeys:somu:-:*:*:*:*:*:*:*", "vulnerable": false, "matchCriteriaId": "842068EB-B958-45E3-A1FF-332D4617ABD5"}], "operator": "OR"}], "operator": "AND"}, {"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:nitrokey:fido2_firmware:-:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "AA9A941B-1849-47BB-ABC0-743FD1A4E330"}], "operator": "OR"}, {"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:h:nitrokey:fido2:-:*:*:*:*:*:*:*", "vulnerable": false, "matchCriteriaId": "C6CA2A4B-E52A-4F7A-82B7-7CFBC69354D0"}], "operator": "OR"}], "operator": "AND"}], "sourceIdentifier": "cve@mitre.org"}